CVE-2023-0043: Add User Project Add User

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

The Custom Add User WordPress plugin through 2.0.2 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Affected products

• Add User Project Add User: up to and including 2.0.2

Published 2023-02-27. Last modified 2026-06-17.